Zweiter Versuch
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% "&" statt "und" verwenden
% geht nun etwas einfacher
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\addbibresource{LitDaten.bib}
\usepackage{filecontents}
\begin{filecontents}{LitDaten.bib}
@report{Bundesamt2016,
abstract = {S. 25 Bildungsabschlüsse Ausländer},
address = {Wiesbaden},
author = {{Statistisches Bundesamt}},
institution = {Statistisches Bundesamt},
keywords = {Abschluss,Schulart,Schulbesuch,Staatsangehörigkeit},
title = {Bildungsstand der Bevölkerung},
date = {2016-11},% date ist besser als year und month
url = {https://www.destatis.de/GPStatistik/receive/DEHeft_heft_00057188},
}
@book{unireader,
address = {London},
author = {Anne Elk},
institution = {University of Monthy},
title = {University Reader},
note = {Reader},
isbn = {978-1-56619-909-4},
date = {2016},
edition = {2},
url = {https://www.example.edu/~elk/reader.pdf},
}
@book{unireaderze,
address = {London},
author = {Anne Elk},
institution = {University of Monthy},
title = {University Reader},
note = {Reader},
isbn = {978-1-56619-909-4},
date = {2016},
url = {https://www.example.edu/~elk/reader.pdf},
}
@book{unireaderzn,
address = {London},
author = {Anne Elk},
institution = {University of Monthy},
title = {University Reader},
edition = {2},
isbn = {978-1-56619-909-4},
date = {2016},
url = {https://www.example.edu/~elk/reader.pdf},
}
@book{unireaderzen,
address = {London},
author = {Anne Elk},
institution = {University of Monthy},
title = {University Reader},
isbn = {978-1-56619-909-4},
date = {2016},
url = {https://www.example.edu/~elk/reader.pdf},
}
@book{Martin2006,
address = {Weinheim},
author = {Martin, Ernst and Wawrinowski, Uwe},
isbn = {978-3779907442},
publisher = {Beltz Juventa},
title = {{Beobachtungslehre: Theorie und Praxis reflektierter Beobachtung und Beurteilung}},
year = {2006}
}
@book{Brentano2013,
address = {Hamburg},
author = {Brentano, Franz},
isbn = {978-3787300136},
publisher = {Felix Meiner},
title = {{Psychologie vom empirischen Standpunkt}},
year = {2013},
edition = {3}
}
@techreport{padhye:copy,
author = {Padhye, Jitendra and Firoiu, Victor and Towsley, Don},
title = {A Stochastic Model of {TCP Reno} Congestion Avoidance and
Control},
institution = {University of Massachusetts},
date = 1999,
number = {99-02},
location = {Amherst, Mass.},
}
\end{filecontents}
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\usepackage{hyperref}
% im Allgemeinen sollte hyperref als letztes Paket geladen werden
% wie immer gibt es Ausnahmen, aber bei Dir war es eindeutig zu früh
\begin{document}
\parencite{Bundesamt2016,unireader,unireaderze,unireaderzn,unireaderzen,padhye:copy,Martin2006,Brentano2013}
\printbibliography[title=Literaturverzeichnis]
\end{document}